Patents by Inventor Daniel Kwan Chew

Daniel Kwan Chew has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Multifilar helix antennas
    Publication number: 20050162334
    Abstract: A multifilar helix antenna comprises a plurality of helical antenna filaments each having a square waveform pattern along its length, giving reduced axial length. Also described is a multifilar helix antenna comprising a plurality of helical antenna filaments each incorporating a microstrip spur-line band stop filter for enabling multi-band operation.
    Type: Application
    Filed: February 18, 2003
    Publication date: July 28, 2005
    Applicant: University of Surrey
    Inventors: Simon Saunders, Daniel Kwan Chew